Table 1 Mean (SE) changes in measures of child problem behavior within groups between different time points

18.8 (3.3)

5.7

 < 0.001

− 5.8 (3.7)

− 1.6

0.120

12.9 (3.7)

3.5

0.001

12.8 (3.5)

3.6

0.001

4.5 (5.0)

0.9

0.374

17.3 (4.3)

4.1

 < 0.001

8.6 (1.0)

8.7

 < 0.001

− 2.3 (1.1)

− 2.2

0.038

6.3 (1.2)

5.1

 < 0.001

2.8 (1.2)

2.3

0.024

2.8 (1.5)

1.9

0.060

5.7 (1.3)

4.4

 < 0.001

0.9 (0.2)

3.5

0.001

− 0.2 (0.2)

− 1.1

0.265

0.6 (2.7)

2.4

0.020

0.7 (0.2)

2.6

0.011

0.1 (0.2)

0.2

0.832

0.7 (0.2)

3.1

0.003

4.4 (0.9)

4.7

 < 0.001

− 0.9 (0.7)

− 1.2

0.222

3.5 (1.0)

3.5

0.001

2.0 (1.0)

2.0

0.054

2.1 (1.2)

1.7

0.091

4.1 (1.1)

3.9

 < 0.001

3.8 (5.2)

0.7

0.474

1.6 (6.4)

0.2

0.804

5.4 (6.3)

0.8

0.401

10.2 (5.2)

2.0

0.054

− 9.6 (6.6)

− 1.5

0.155

0.6 (6.5)

0.1

0.927

1.6 (1.4)

1.2

0.258

− 1.5 (1.7)

− 0.9

0.396

0.1 (1.6)

0.7

0.943

− 0.5 (1.2)

− 0.4

0.677

− 1.9 (1.6)

− 1.2

0.257

− 2.4 (1.7)

− 1.4

0.173

0,3 (0.4)

0.7

0.479

0.7 (0.5)

1.3

0.197

1.0 (0.5)

1.9

0.067

0.5 (0.5)

1.0

0.308

− 0.0 (0.5)

0.06

0.955

0.5 (0.5)

1.1

0.287

− 0.1 (0.9)

− 0.1

0.920

0.7 (1.2)

0.6

0.554

0.6 (1.3)

0.5

0.622

1.3 (0.8)

1.7

0.105

− 0.7 (0.8)

− 0.9

0.401

0.7 (1.1)

0.6

0.523